| Country | France (FR) |
| UN/LOCODE | GJG |
| Name | Castelnau-sur-Gupie |
| Name Without Diacritics | Castelnau-sur-Gupie |
| Region | 47 |
| Function Code | --3--6-- |
| Function | Road, Multi-use Location |
| Status Code | RL (Recognised Location) |
| Date | 1901 |
| Timezone | Europe/Paris |
| Location (UN Format) | 4434N 00008E |
| Latitude Longitude | 44.5589, 0.1336 |